Hi everybody,
I am new at this forum, so please forgive my mistakes ;-)
I would like to change selection of

<select id='id_select'>
  <option value=1>Position 1</option>
  <option selected="selected" value=2>Position 2</option>
  <option value=3>Position 3</option>
  <option value=4>Position 4</option>
  <option value=5>Position 5</option>
</select>

to this for example:
<select id='id_select'>
  <option value=1>Position 1</option>
  <option  value=2>Position 2</option>
  <option value=3>Position 3</option>
  <option selected="selected" value=4>Position 4</option>
  <option value=5>Position 5</option>
</select>

is it possible? I try with this:
$('id_select').val(4); // but with no results,
I can read the value from select with val, but I can not to set it? How to do it? Any suggestion?


Regards,
Daniel